The Delta RP28595 Temperature Knob & Cover Faucet Replacement is a genuine OEM product manufactured in the United States by Delta. This replacement part is designed specifically for Delta faucets, ensuring a perfect fit and function. The knob and cover provide a convenient way to adjust the temperature of the water flow, making it a crucial component for any home plumbing and fixtures system. With the trusted Delta brand behind it, this product guarantees quality and reliability for your home improvement needs.